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Finding the Fourth Proportional to 49,846.32, 68,787.90 and 27,490.32

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Solution

The fourth proportional to 49,846.32, 68,787.90 and 27,490.32 is: 37,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,846.32 : 68,787.90 = 27,490.32 : x
  2. Step 2: Convert to fraction form
    49,846.32/68,787.90 = 27,490.32/x
  3. Step 3: Cross multiply
    49,846.32x = 68,787.90 × 27,490.32
  4. Step 4: Simplify right side
    49,846.32x = 1,891,001,383.13
  5. Step 5: Solve for x
    x = 1,891,001,383.13/49,846.32
  6. Step 6: Final answer
    x = 37,936.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.